Question

two disadvantages of friction

Answer 1

1. due to the friction in pteridophytes forest fire can be caused because their leaves contain silica on the surface .

2. heat is produce due to friction.

Answer 2

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Advantages of friction:-

It is because of friction that we can walk, drive, open doors, turn tap and write.Screw and nails do not slip of because of the friction between the wood and the metal surface of the screw .

Disadvantages of friction:-

Friction causes the moving parts in machinery and automobiles to heat up this results in wastage of energy and fuel. Fiction also causes wear and Tear of the moving parts .